|generation||abc2svg >= 1.21.3|
%%nns adds a list of the chord symbols of the tune
in the Nashville Notation System or in the Roman Numerical Notation.
The int value is the number of columns.
When '1' or '-1', this number is computed.
When this value is negative, the list goes under the music.
nomusic displays the list only.
repbrk starts a new line on a start or stop of repeat.
roman displays the list in the Roman Numeral notation. With no value or with "=1", the numeral is displayed with upper-case letters. With "=2", the minor chords are displayed with lower-case letters without 'm'.
include= defines which measures are used to define the list.
list is a comma separated list of measure numbers
(the measure numbers are the ones that are displayed
Using %%jazzchord.html gives a better rendering.
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